MGM Mirage, Ryder System, United Industrial, more

SAN FRANCISCO (MarketWatch) -- Shares of the following companies were among those making 5% or more percentage moves in the stock market Monday.

Advancers

AK Steel Holding Corp.
AKS, -3.13%
shares jumped 11.1%. The company said it reached an agreement with a group of retirees from its Middletown Works in Ohio to settle a lawsuit stemming from the company's 2006 moves to cut its retiree health-care costs. The settlement agreement covers about 4,600 current Middletown Works retirees. Under terms of the agreement, AK Steel will transfer all of its health-care obligations for the covered retirees to a Voluntary Employees Beneficiary Association trust, which will be managed solely by the retirees' designees, and will be used to fund the retirees' covered benefits.

MGM Mirage
MGM, -2.52%
shares rose 5.7%. Infinity World Investments, a unit of Dubai World, said its tender for shares of MGM Mirage shares garnered only about a 0.1% stake in the casino company. See full story.

U.S.-listed shares of NovAtel Inc.
NGPS
soared 17.1%. It agreed to be acquired for $50 a share, or $390 million, by Hexagon (HEXAB). NovAtel is a Calgary, Alberta, provider of global navigation satellite system components and subsystems.

ScanSource Inc.
SCSC, -0.27%
shares rose 5%. The company said it expects to report sales of $546 million to $554 million for the quarter ended Sept. 30. The Greenville, S.C., distributor of specialty technology products reported sales of $496.2 million in the year-earlier quarter. Shares of ScanSource closed Friday at $30.55.

Shares of United Industrial Corp.,
UIC, +0.00%
the Hunt Valley, Md., defense-technology producer, gained 6.3% after it definitively agreed to be acquired for $81 a share, or $1.1 billion, by Textron Inc.,
TXT, -2.06%
the companies said. UIC shares closed on Friday at $75.62, indicating that Textron, the Providence, R.I., aerospace and defense, industrial-products and financial-services giant, is paying a 7.1% premium for the shares. See full story.

Vonage Holding Corp.
VG, -0.86%
shares soared 123.5%. The company said it's agreed to pay $80 million to end a patent dispute with Sprint Nextel Corp.
S, -2.53%
and license its technology related to Internet-phone calling. Under the agreement, Vonage would pay $35 million for past use of Sprint's patented technology, plus $40 million for future licensing and a $5 million prepayment. Shares of Vonage fell sharply in late September after a federal jury ruled in Sprint's favor. Vonage is engaged in a similar patent dispute with Verizon Communications Inc.
VZ, -1.07%
that could prove quite costly. See full story.

Decliners

Video-game publisher Atari Inc.
ATAR, -9.09%
shares tumbled 8.6%. The company said majority stockholder California U.S. Holdings Inc., a unit of Infogrames Entertainment SA, removed five of its board members. The company said California U.S. Holdings removed James Ackerly, Ronald Bernard, Michael Corrigan, Denis Guyennot, and Ann Kronen from Atari's board through a written stockholder consent effective Oct. 5.

Emcore Corp.
EMKR, -3.43%
shares lost 5.7%. The company said late Friday that it received a letter from Nasdaq on Oct. 2 stating that the company is not in compliance with the exchange's listing requirements, and that its stock is subject to delisting. The provider of compound semiconductor-based products said the notice stemmed from its inability to hold an annual meeting by Sept. 30. Emcore plans to request an extension to regain compliance with Nasdaq's rules.

Noven Pharmaceuticals
NOVN, +0.74%
shares plunged 24.3%. The drug developer said that a Phase III clinical trial did not show its once-a-day lithium treatment to be effective in treating acute mania in patients with bipolar disorder. See full story.

Ryder System Inc.
R, -1.40%
shares lost 6.8%. The company lowered its third-quarter earnings forecast to a range of $1.12 to $1.14 a share from $1.20 to $1.23 a share, citing soft demand for its commercial rentals, as well as lower pricing and higher carrying costs associated with used vehicles. See full story.

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